/// @description  blocks_set_instruments()
/// @function  blocks_set_instruments

var a, b;

for (a = 0; a <= enda; a += 1) {
    if (colamount[a] > 0) {
        for (b = 0; b <= collast[a]; b += 1) {
            if (song_exists[a, b]) {
                song_ins[a, b] = instrument_list[| song_ins[a, b]]
                song_ins[a, b].num_blocks++
                if (song_ins[a, b].user) block_custom++
            }
        }
    }
}
